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Lung India Official publication of Indian Chest Society  
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Year : 1991  |  Volume : 9  |  Issue : 4  |  Page : 126-129

Airway Obstruction In Silicosis Workers

Correspondence Address:
N Mohan Rao

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Source of Support: None, Conflict of Interest: None

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The prevalence of airway obstruction as judged by FEV1 percentage value in different categories of silicosis in slate pencil industry, Mandasaur was determined and related to smoking habits and respiratory symptoms. The overall prevalence of airway obstruction was seen in 18.8 percent workers and a liner relationship with category of silicosis noted. In all categories of silicosis, smokers demonstrated significantly higher obstruction than non-smokers. Obstruction was worse in category two and three with symptoms. This prevalence of airway obstruction is attributable to the very high concentration of total and respirable dust containing high percentage of free silica to which the workers are exposed.

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